插件

Conversation Canvas 标签页：实时预览工作区内的 HTML artifact，并支持本地导出 PNG/JPG/SVG（`npx dsh-canvas-preview`）。

Codex-style artifact preview for DeepSeek Harness (DSH): produced-files row in chat with inline image thumbnails, and a resizable split-screen side preview panel rendering Markdown / source code / CSV / JSON / images / HTML, plus localhost port preview.